2006AJ....131.1648B


Query : 2006AJ....131.1648B

2006AJ....131.1648B - Astron. J., 131, 1648-1666 (2006/March-0)

Using line profiles to test the fraternity of type Ia supernovae at high and low redshifts.

BLONDIN S., DESSART L., LEIBUNDGUT B., BRANCH D., HOFLICH P., TONRY J.L., MATHESON T., FOLEY R.J., CHORNOCK R., FILIPPENKO A.V., SOLLERMAN J., SPYROMILIO J., KIRSHNER R.P., WOOD-VASEY W.M., CLOCCHIATTI A., AGUILERA C., BARRIS B., BECKER A.C., CHALLIS P., COVARRUBIAS R., DAVIS T.M., GARNAVICH P., HICKEN M., JHA S., KRISCIUNAS K., LI W., MICELI A., MIKNAITIS G., PIGNATA G., PRIETO J.L., REST A., RIESS A.G., SALVO M.E., SCHMIDT B.P., SMITH R.C., STUBBS C.W. and SUNTZEFF N.B.

Abstract (from CDS):

Using archival data of low-redshift (z<0.01; Center for Astrophysics and SUSPECT databases) Type Ia supernovae (SNe Ia) and recent observations of high-redshift (0.16<z<0.64) SNe Ia, we study the ``uniformity'' of the spectroscopic properties of nearby and distant SNe Ia. We find no difference in the measurements we describe here. In this paper we base our analysis solely on line-profile morphology, focusing on measurements of the velocity location of maximum absorption (vabs) and peak emission (vpeak). Our measurement technique makes it easier to compare low and high signal-to-noise ratio observations. We also quantify the associated sources of error, assessing the effect of line blending with assistance from the parameterized code SYNOW. We find that the evolution of vabs and vpeak for our sample lines (Ca II λ3945, Si II λ6355, and S II λλ5454, 5640) is similar for both the low- and high-redshift samples. We find that vabs for the weak S II λλ5454, 5640 lines and vpeak for S II λ5454 can be used to identify fast-declining [Δm15(B)>1.7] SNe Ia, which are also subluminous. In addition, we give the first direct evidence in two high-z SN Ia spectra of a double-absorption feature in Ca II λ3945, an event also observed, although infrequently, in low-redshift SN Ia spectra (6 out of 22 SNe Ia in our local sample). Moreover, echoing the recent studies of Dessart & Hillier in the context of Type II supernovae (SNe II), we see similar P Cygni line profiles in our large sample of SN Ia spectra. First, the magnitude of the velocity location at maximum profile absorption may underestimate that at the continuum photosphere, as observed, for example, in the optically thinner line S II λ5640. Second, we report for the first time the unambiguous and systematic intrinsic blueshift of peak emission of optical P Cygni line profiles in SN Ia spectra, by as much as 8000 km/s. All the high-z SNe Ia analyzed in this paper were discovered and followed up by the ESSENCE collaboration and are now publicly available.

Abstract Copyright:

Journal keyword(s): Cosmology: Observations - Line: Formation - Line: Profiles - Stars: Supernovae: General

VizieR on-line data: <Available at CDS (J/AJ/131/1648): table2.dat refs.dat table3.dat table5.dat table6.dat table7.dat table8.dat>

CDS comments: Table 2 : SN 1998AQ is a misprint for SN 1996AQ, NGC 2565 is a misprint for NGC 2595

Simbad objects: 99

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Number of rows : 99
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 SN 2002jt SN* 00 13 36.7000 -10 08 24.000       22.6   SNIa 8 1
2 SN 2002jd SN* 00 28 38.3900 +00 40 29.290       22.0   SNIa 10 1
3 SN 2003jj SN* 01 07 58.5190 +00 03 01.918       23.1   SNIa 13 1
4 SN 2003le SN* 01 08 08.7390 +00 27 09.580       22.7   SNIa 15 1
5 SN 2003lf SN* 01 08 49.8070 -00 44 13.490       22.1   SNIa 13 1
6 SN 2003kl SN* 01 09 48.7980 +01 00 05.496     21.0     SNIa 15 1
7 SN 2003jr SN* 01 11 06.2320 +00 13 44.210       21.9   SNIa 12 1
8 SN 2003lj SN* 01 12 10.0340 +00 19 51.267       22.1   SNIa 15 1
9 SN 2000cx SN* 01 24 46.1 +09 30 31           SNIap 208 1
10 NGC 524 GiP 01 24 47.7429545736 +09 32 20.089023900   11.5       ~ 444 1
11 SN 2002jc SN* 02 07 27.2850 -03 50 20.744       23.1   SNIa 9 1
12 SN 2003ji SN* 02 07 54.8410 -03 28 28.055       20.9   SNIa 12 1
13 SN 2003kn SN* 02 09 15.5490 -03 35 41.010     21.3     SNIa 15 1
14 SN 2003jy SN* 02 10 53.9870 -04 25 49.436       22.7   SNIa 16 1
15 SN 2003ko SN* 02 11 06.4950 -03 47 55.899     21.7     SNIa 14 1
16 SN 2002js SN* 02 20 35.3900 -09 34 43.900       22.9   SNIa 8 1
17 SN 2003li SN* 02 27 47.2940 -07 33 46.220       22.8   SNIa 16 1
18 SN 2003jl SN* 02 28 28.5680 -08 08 44.932       22.4   SNIa 14 1
19 SN 2003jm SN* 02 28 50.9400 -09 09 58.077       22.9   SNIa 14 1
20 SN 2003js SN* 02 29 52.1520 -08 32 28.155       22.0   SNIa 17 1
21 SN 2002jw SN* 02 30 00.5390 -08 36 22.561       22.8   SNIa 8 1
22 SN 2003km SN* 02 30 09.0010 -09 04 35.621     21.8     SNIa 15 2
23 SN 2002iy SN* 02 30 40.0220 -08 11 40.469       21.3   SNIa 15 1
24 SN 2003kp SN* 02 31 02.6520 -08 39 50.909     22.1     SNIa 16 1
25 SN 2003kq SN* 02 31 04.0890 -08 10 56.603     22.6     SNIa 14 1
26 SN 2003jw SN* 02 31 06.8360 -08 45 36.535       22.6   SNIa 15 1
27 SN 2002iz SN* 02 31 20.7450 -08 36 13.414       22.1   SNIa 18 1
28 SN 2003kr SN* 02 31 20.9600 -08 36 14.195     22.0     SNIa 15 1
29 SN 2003jt SN* 02 31 54.5950 -08 35 48.609       22.0   SNIa 14 1
30 SN 2003kt SN* 02 33 46.9920 -08 36 22.141     22.8     SNIa 15 1
31 SN 1992A SN* 03 36 27.41 -34 57 31.4   12.56 12.50     SNIa 395 1
32 NGC 1380 GiP 03 36 27.590 -34 58 34.68 11.32 10.94 9.93 9.37   ~ 406 1
33 UGC 3151 GiG 04 45 19.616 +11 04 04.53   16.5       ~ 52 0
34 SN 1995bd SN* 04 45 21.24 +11 04 02.5   17.29       SNIapec 65 1
35 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4781 2
36 SN 1993ac SN* 05 46 23.58 +63 22 07.1   18.36 17.71     SNIa 57 1
37 NVSS J054624+632132 rG 05 46 24.6164052000 +63 21 32.616771588   15.7       ~ 31 0
38 NGC 2441 GiG 07 51 54.6864254040 +73 00 56.553791256   12.7       ~ 97 0
39 SN 1995E SN* 07 51 56.75 +73 00 34.6   16.81 15.9     SNIa 115 1
40 NGC 2595 H2G 08 27 42.0263359560 +21 28 44.704954668   13.9       ~ 178 0
41 SN 1999aa SN* 08 27 42.03 +21 29 14.8           SNIap 244 1
42 SN 1999by SN* 09 21 52.07 +51 00 06.6   13.66       SNIap 277 1
43 NGC 2841 LIN 09 22 02.6778711696 +50 58 35.737082868 10.43 10.09 9.22     ~ 1040 1
44 SN 1996Z SN* 09 36 44.82 -21 08 51.7   14.63 14.2     SNIa 41 1
45 NGC 2935 EmG 09 36 44.8527810504 -21 07 41.560449096   11.84 10.04 10.44 11.6 ~ 127 1
46 NGC 2962 GiP 09 40 53.9321546928 +05 09 57.032828496   13.1       ~ 194 0
47 SN 1995D SN* 09 40 54.753 +05 08 26.16   13.42 13.22     SNIa 147 1
48 SN 1995al SN* 09 50 55.97 +33 33 09.4   13.36 13.22     SNIa 99 1
49 NGC 3021 GiG 09 50 57.1456156056 +33 33 12.934404072   12.6       ~ 179 0
50 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 383 2
51 SN 2002bo SN* 10 18 06.51 +21 49 41.7   13.95       SNIa 297 1
52 M 96 GiP 10 46 45.744 +11 49 11.78 10.42 10.15 9.25 8.99   ~ 790 1
53 SN 1998bu SN* 10 46 46.01 +11 50 07.5   12.11       SNIa 309 1
54 SN 1994ae SN* 10 47 01.94 +17 16 30.8   13.20 12.99     SNIa 167 1
55 NGC 3370 GiG 10 47 04.0734572856 +17 16 25.315359780   12.4       ~ 235 0
56 SN 1989B SN* 11 20 13.93 +13 00 18.9   12.25       SNIa 354 1
57 M 66 GiP 11 20 15.026 +12 59 28.64 9.85 9.65 8.92     ~ 1296 4
58 SN 1991bg SN* 12 25 03.70 +12 52 15.6   14.75 14.3     SNIapec 570 1
59 M 84 Sy2 12 25 03.74333 +12 53 13.1393 12.67 12.09 10.49     ~ 1715 2
60 NGC 4493 G 12 31 08.3696052552 +00 36 49.347407340   14.851   13.405   ~ 64 0
61 SN 1994M SN* 12 31 08.61 +00 36 19.6   16.31 16.24     SNIa 91 1
62 SN 1994S SN* 12 31 21.85 +29 08 04.0   14.80 14.77     SNIa 107 1
63 NGC 4495 LIN 12 31 22.907 +29 08 10.93   14.19 13.46     ~ 91 0
64 SN 1994D SN* 12 34 02.395 +07 42 05.70   11.75 12.03     SNIa 536 1
65 IRAS 12315+0758 GiG 12 34 03.029 +07 41 56.90   10.6       ~ 642 0
66 NGC 4527 GiP 12 34 08.496 +02 39 13.72   12.4       ~ 519 2
67 SN 1991T SN* 12 34 10.20 +02 39 56.4   11.70 11.51     SNIapec 749 1
68 NGC 4536 GiP 12 34 27.129 +02 11 16.37 11.14 11.16 10.55 17.393   ~ 815 3
69 SN 1981B SN* 12 34 29.57 +02 11 59.3   11.74       SNIa 394 1
70 NGC 4639 GiP 12 42 52.3785000336 +13 15 26.706153600   13.62 12.72     ~ 589 0
71 SN 1990N SN* 12 42 56.68 +13 15 23.4   12.69 12.62     SNIa 384 1
72 SN 1996X SN* 13 18 01.13 -26 50 45.3   12.99 13.00     SNIa 185 1
73 NGC 5061 GiG 13 18 05.054 -26 50 14.00   11.18 10.41 9.66   ~ 165 0
74 SN 1997br SN* 13 20 42.40 -22 02 12.3   14.06       SNIapec 104 1
75 ESO 576-40 GiP 13 20 43.744 -22 03 03.92   14.66   13.67 13.9 ~ 83 0
76 2MASX J13213050-0208434 G 13 21 30.5113732176 -02 08 43.967739768   15.7       ~ 26 0
77 SN 1994T SN* 13 21 30.73 -02 08 56.5   17.31 17.15     SNIa 50 1
78 NAME Centaurus A Sy2 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4319 3
79 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 399 1
80 SN 1996C SN* 13 50 48.60 +49 19 07.1   16.53 16.48     SNIa 75 1
81 MCG+08-25-047 G 13 50 48.8362920864 +49 18 54.526082652           ~ 21 0
82 NGC 5490 rG 14 09 57.330 +17 32 43.53   13.4 15.5     ~ 161 1
83 SN 1997cn SN* 14 09 57.76 +17 32 32.3   17.2 16.7     SNIapec 81 1
84 SN 1996aq SN* 14 22 22.72 -00 23 23.8     15.7     SNIc 44 1
85 NGC 5584 EmG 14 22 23.811 -00 23 14.82   12.80   12.0 11.8 ~ 247 0
86 MCG+03-44-003 G 17 15 34.3738986216 +16 19 29.713024704   15.1       ~ 27 0
87 SN 1990O SN* 17 15 35.92 +16 19 25.8   16.59 16.22     SNIa 75 1
88 IC 5179 EmG 22 16 09.1191653256 -36 50 37.117603752   12.29 11.89 11.38   ~ 192 1
89 SN 1999ee SN* 22 16 09.40 -36 50 31.5   14.85       SNIa 184 1
90 SN 2003lm SN* 23 24 25.5010 -08 45 50.834       22.5   SNIa 13 1
91 SN 2003jo SN* 23 25 24.0470 -09 26 00.659       22.8   SNIa 16 1
92 SN 2003kk SN* 23 25 36.0540 -09 31 44.807     20.3     SNIa 15 1
93 SN 2003ju SN* 23 27 01.7040 -09 24 04.573       21.6   SNIa 14 1
94 SN 2003jv SN* 23 27 58.1970 -08 57 11.687       22.2   SNIa 15 1
95 SN 2002jb SN* 23 29 44.1490 -09 36 34.508       21.4   SNIa 9 1
96 SN 2002ja SN* 23 30 09.6850 -09 35 01.809       22.2   SNIa 15 1
97 SN 2003ln SN* 23 30 27.1310 -08 35 46.927       22.9   SNIa 15 1
98 SN 2003jq SN* 23 30 51.1910 -09 28 34.044       19.8   SNIa 8 1
99 SN 2002jq SN* 23 35 57.9600 -10 05 56.880       21.9   SNIa 8 1

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2023.01.28-12:19:21

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